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Clean Water Act discharge permit · NPDES ILR10ZD39

19171 & 19173 HAMLIN AVENUE - FLOSSMOOR, Flossmoor, IL: NPDES ILR10ZD39 discharge permit, effluent exceedances, inspections, penalties

19171 & 19173 HAMLIN AVENUE - FLOSSMOOR, held by ACPS Developers LLC, holds NPDES permit ILR10ZD39. EPA’s file records it issued August 14, 2023 and expiring August 31, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for 19171 & 19173 HAMLIN AVENUE - FLOSSMOOR: its NPDES ID, its permit type and status, its dates, its address in Flossmoor, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZD39.

Identity

Facility as filed19171 & 19173 HAMLIN AVENUE - FLOSSMOOR
Permittee as filedACPS Developers LLC
NPDES IDILR10ZD39
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 14, 2023
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressFlossmoor, IL 60422
SubwatershedLittle Calumet River (HUC 071200030405)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILR10ZD39.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILR10ZD39.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, ILR10ZD39.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID ILR10ZD39 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The Flossmoor storm water construction group on EPA's NPDES register holds 3 entries, including 19171 & 19173 HAMLIN AVENUE - FLOSSMOOR. The Little Calumet River subwatershed lists 64 NPDES permits.